CN110336648A - A kind of Data Handling Equipment And Method based on NB-IOT - Google Patents
A kind of Data Handling Equipment And Method based on NB-IOT Download PDFInfo
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- CN110336648A CN110336648A CN201910756963.7A CN201910756963A CN110336648A CN 110336648 A CN110336648 A CN 110336648A CN 201910756963 A CN201910756963 A CN 201910756963A CN 110336648 A CN110336648 A CN 110336648A
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- data
- iot
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- transmission
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
Abstract
A kind of Data Handling Equipment And Method based on NB-IOT is related to the technical field of electronic device data processing.The present invention will detect that electronic equipment is sent to the memory of the transmission abnormality data deposit buffer area of the base station NB-IOT in a transmission cycle for the first time；According to default re-transmission period, the data to be transmitted in memory is checked, is retransmitted if correct；If retransmitting failure, the data to be transmitted of the data to be transmitted and next transmission cycle is sent to the base station NB-IOT simultaneously；According to preset value, the data to be transmitted that failure is transmitted in the historic transmission period in memory is exported.The present invention can be reduced large-scale construction investment, make to supply water, power supply, gas supply network are more safely and steadily run and Optimized Operation；With preferable economic benefit and social benefit.
Description
Technical field
The present invention relates to the technical fields of electronic device data processing.
Background technique
Intellectual water meter is for the equipment in family, factory, and in intellectual water meter field, relevant company and department need height
Data transmission, frequent communication and the low latency of rate.Since water meter is that have super low-power consumption and long battery by power supply power supply
The demand of service life；And it also requires being handled in time when being monitored gauze to scent a hidden danger in real time.Traditional is wireless
Transmission technology since penetrability is limited, the signal in underground be difficult it is guaranteed, so emerging one after another the case where loss of data.
Low latency may be implemented in the ClassC of LoRaWAN, but the demand NB- for high transfer rate and frequently communicated
IOT is the selection more suitable for intellectual water meter.And water meter is typically mounted at the fixation position in densely populated area, so right
It is also relatively easy in operator's portion's net.
Synchronous communication protocol has advantage in terms of shorter downlink delays, while NB-IOT can be a large amount of numbers of needs
Quick message transmission rate is provided according to the application of handling capacity.And the Class B of LoRaWAN is called out by regularly (programming is realized)
Terminal of waking up shortens the delay of downlink communication to collect downstream message.So for need frequently communication, shorter delay or
NB-IOT is perhaps better choice for the application of person's larger data amount, and for needing lower cost, higher battery
LoRa is more preferable for service life and the not frequent scene of communication.
It is mutual to become all things on earth based on cellular narrowband Internet of Things (Narrow Band Internet of Things, NB-IOT)
One important branch of networking network.NB-IOT is implemented in cellular network, only consumes the bandwidth of about 180KHz, can be deployed directly into
GSM network, UMTS network or LTE network, to reduce lower deployment cost, realize smooth upgrade.NB-IOT is that one, the field IoT is emerging
Technology, support low power consuming devices to connect in the cellular data of wide area network, also referred to as low-power consumption wide area network (LPWAN).NB-
IOT supports stand-by time length, the efficient connection to network connectivity requirements higher device.NB-IOT (is based on cellular narrowband Internet of Things
Net) the narrowband Internet of Things project completely new as one, it is self-evident for completely newly changing to entire society's bring, to the whole of China
Or even the whole world will generate far-reaching influence.In intellectual water meter and its related fields, NB-IOT ratio LoRa is more suitable for moving
Dynamic property supports not strong application scenarios (such as smart meter reading, intelligent parking), while simplifying the complexity of terminal, reducing terminal function
Consumption.
The Radio Transmission Technology of NB-IOT used at present can substantially solve the data loss problem of water meter, however believe
Number problem still will appear once in a while.If furthermore server is not online in transmission process, then the loss of data is also resulted in.And
And the base station of NB-IOT can only allow 12 equipment connection transmission simultaneously, if it is greater than 12 pipeline equipments, even if NB-IOT network is believed
Number intensity is fine, also will appear the problem of equipment does not connect base station.
Summary of the invention
The present invention provides a kind of number based on NB-IOT for overcoming the above problem or at least being partially solved the above problem
According to transmission method and device, can be reduced large-scale construction investment, make water meter network more safely and steadily run with it is excellent
Change scheduling；With preferable economic benefit and social benefit.
A kind of data processing equipment based on NB-IOT, comprising:
It is used for transmission data and receives the electronic equipment of feedback signal；
For receiving electronic device data and receiving the base station NB-IOT of feedback signal；
For receiving NB-IOT base station data and sending the central server of feedback signal to the base station NB-IOT；
Memory for storing data.
Based on the processing method of the data processing equipment of the invention based on NB-IOT, include the following steps:
S100, in a transmission cycle, if detecting for the first time, electronic equipment is sent to the number to be transmitted of the base station NB-IOT
According to transmission abnormality occurs, then by the memory of data to be transmitted deposit buffer area；
S200 checks the data to be transmitted in memory according to default re-transmission period, weighs if correct
It passes；
S300 fails if retransmit to the data to be transmitted in memory in current transmission period,
The data to be transmitted of the data to be transmitted and next transmission cycle is sent to the base station NB-IOT simultaneously.
Electronic equipment of the invention detects transmission failure for the first time after sending transfer device to be passed, then deposits data to be transmitted
Buffer area enters memory.Still fail if continuing after step is retransmitted after execution, does not need to be stored in storage again
Device.After detecting data transmission fails, the data to be transmitted of deposit memory is retransmitted；It so retransmits and needs according to one
Fixed re-transmission period.In a transmission cycle, retransmitted according to data of the default re-transmission period to transmission failure.Specifically
, default re-transmission period can be arranged according to actual needs, solve the problems, such as that existing jitter leads to loss of data.
Electronic equipment of the invention sends data failure to the base station NB-IOT, then the data first by transmission failure are stored in storage
Device retransmits data according still further to default re-transmission period (timed task), it is ensured that data transmission is not lost, what equipment was sent
Data can be sent to the base station NB-IOT until central server.
The present invention realizes the transmission and control of data using the base station NB-IOT, can be applied to intellectual water meter, intelligent electric meter, intelligence
The fields such as energy gas meter, have preferable economic benefit and social benefit.
Detailed description of the invention
Fig. 1 is the data transmission structure schematic diagram the present invention is based on NB-IOT.
Fig. 2 is the flow diagram of the data transmission method the present invention is based on NB-IOT.
Specific embodiment
Technical solution of the present invention is described in detail with reference to the accompanying drawing:
Fig. 1 is data transmission network schematic diagram of the embodiment of the present invention based on NB-IOT, the data based on NB-IOT
Transmission network includes at least one electronic equipment, memory, the base station NB-IOT and central server.Signal transmission success it is complete
Process is: electronic equipment sends data to the base station NB-IOT, and the base station NB-IOT forwards the data to central server, center service
A feedback signal is passed back again after device reception data and gives the base station NB-IOT, and the base station NB-IOT sends electronics for feedback signal again and sets
It is standby.
Fig. 2 is that the present invention is based on the flow diagrams of NB-IOT data transmission method, comprising:
S100, in current transmission period, if detecting for the first time, the data to be transmitted for being sent to the base station NB-IOT is passed
The data to be transmitted is then stored in buffer memory by defeated exception；
The executing subject of the embodiment of the present invention is the electronic equipment communicated based on NB-IOT network, including intelligent water
Table, intelligent electric meter, intelligent gas meter etc..It, will be to if electronic equipment detects transmission failure for the first time after sending transfer device to be passed
Transmission data deposit buffer area and enter memory.Still fail if continuing after step is retransmitted after execution, does not need another
Secondary deposit memory.
S200 checks the data to be transmitted in memory according to default re-transmission period, weighs if correct
It passes.
The present invention is detecting data transmission fails to solve the problems, such as that existing jitter leads to loss of data
Afterwards, the data to be transmitted of deposit memory is retransmitted；It so retransmits and needs according to certain re-transmission period.It is transmitted at one
In period, retransmitted according to data of the default re-transmission period to transmission failure.Specifically, default re-transmission period can be according to reality
Border demand and be arranged, it is not limited in the embodiment of the present invention.
The embodiment of the present invention propose the data transmission method based on cellular narrowband Internet of Things NB-IOT, if equipment to
The base station NB-IOT sends data failure, then the data first by transmission failure are stored in memory, according still further to (the timing of default re-transmission period
Task) data are retransmitted, it is ensured that data transmission is not lost, and the data that equipment is sent can be sent to the base station NB-IOT
Until central server.
S300 fails if retransmit to the data to be transmitted in memory in current transmission period,
The data to be transmitted of the data to be transmitted and next transmission cycle is sent to the base station NB-IOT simultaneously.
Specifically, the data of equipment transmission in need in each transmission cycle, lose when transmitting in a transmission cycle
The data lost still do not succeed by retransmitting, and next transmission cycle has arrived, then by the data of transmission failure under
One transmission cycle needs the data transmitted while sending.That is, equipment is in addition to sending current transmission in each transmission cycle
Data to be transmitted in period can also send the data of transmission failure in a transmission week simultaneously.
The present invention passes through above-mentioned mechanism, it is ensured that the data for transmitting failure can always try to transmit, until being successfully transmitted
To the base station NB-IOT and central server, and receive correct feedback signal.
In an alternative embodiment, data processing method of the invention further include:
S400 exports the historical data in the memory, institute according to preset period of time or preset data amount threshold value
Stating historical data is that the data to be transmitted of failure is transmitted in the historic transmission period.
Specifically, the historical data in memory can be exported according to preset period of time, such as with one day for the period
Or a week is to be exported in period etc.；Or the historical data in memory can be led according to preset data amount threshold value
Out, it such as when the data volume in memory reaches certain amount of storage, is exported.Because the capacity of memory is limited,
It is exported in due course, the memory capacity of memory can be reduced in due course, guarantee that memory can long-term normal use.
Specifically, preset period of time or preset data amount threshold value can according to actual needs and depending on memory capacity,
It is not limited in the embodiment of the present invention.
The embodiment of the present invention devises a set of transmission mechanism based on NB-IOT, and the data that will be unable to once smoothly transmit are deposited
Storage is got off, and retransmit and is reissued；Historical data can also be exported simultaneously, include correctly sending in the historical data
Reason can analyze the reason of transmission fails by derived historical data, to improve.
In an alternative embodiment, step S100, it is described in current transmission period, it is sent to if detecting for the first time
Transmission failure occurs for the data to be transmitted of the base station NB-IOT, then the data to be transmitted is stored in memory, specifically included:
If detecting the failure of the access base station NB-IOT, the data to be transmitted is stored in memory；Or to NB-IOT
Base station sends the data to be transmitted, if in preset duration, corresponding feedback signal is not detected, by the number to be transmitted
According to deposit memory.
Data transmission fails of the invention mainly include two major classes, and one kind is that equipment can not access the base station NB-IOT and cause
Transmission failure；Another kind of is that equipment can access the base station NB-IOT, and equipment also sends data, but sends out in data transmission procedure
Failure has been given birth to, will lead to data transmission fails as long as having in the entire circuit of transmission and there is a problem at one.Specifically, institute
Stating transmission unsuccessfully includes: that the access base station NB-IOT fails, the base station NB-IOT is sent to central server failure, central server not
The correct feedback signal for transmitting and receiving data and equipment do not receive the feedback signal etc. of central server transmission.
Specifically, equipment is the feedback signal by checking central server to determine whether transmission failure.If default
The feedback signal of central server is received in duration, then confirms data transmission success；If being not received by preset duration
The feedback signal of central server, then confirm data transmission fails.Preset duration is the time-out time of equipment detection feedback signal,
Can be depending on the material elements such as message transmission rate, the embodiment of the present invention is not construed as limiting this.
Based on the above embodiment, step S200, it is described according to default re-transmission period, to the number to be transmitted in memory
According to being retransmitted, specifically include:
If accessing the base station the NB-IOT failure, after the base station NB-IOT success described in reconnection, obtain in the memory
The data to be transmitted, and send the data to be transmitted to the base station NB-IOT；If in preset duration, do not examine
Corresponding feedback signal is measured, then according to the default re-transmission period, obtains the data to be transmitted in the memory, and
The data to be transmitted is sent to the base station NB-IOT.
The embodiment of the present invention is retransmitted for two class situations of transmission failure, if equipment accesses the base station NB-IOT
Failure then carries out the connection of equipment and the base station NB-IOT first, is retransmitted after successful connection, and the data of re-transmission come to be passed for the first time
Data to be transmitted stored in memory after defeated failure；If the failure in transmission process, then according to the default re-transmission week
Phase carries out repeating transmission, until success or retransmit after current transmission period and still fail, the data of re-transmission are confessed one's crime
Data to be transmitted stored in memory after secondary transmission failure.
Based on the above embodiment, step S200, it is described according to default re-transmission period, to the number to be transmitted in memory
According to being retransmitted, in current transmission period, if retransmitting failure, n times re-transmissions are at most carried out, wherein N is positive integer, and N > 5.
The embodiment of the present invention provides a kind of multiple retransmission mechanism, in a transmission cycle, if primary retransmit failure,
Second is carried out to retransmit；If second retransmits, third time re-transmission is carried out；If third time retransmits, the 4th re-transmission is carried out；If
4th re-transmission, then carry out the 5th re-transmission etc..
Preferably, the embodiment of the present invention at most carries out 4 re-transmissions in single transmission cycle；If 4 re-transmissions are unsuccessful
Then sent simultaneously with the data of next transmission cycle.
In conclusion will be unable to primary suitable the embodiment of the invention provides the data transmission method based on NB-IOT in one
The data of benefit transmission store, and retransmit and reissue；Transmission failure can be analyzed by the historical data of storage simultaneously
Reason has good beneficial effect to improve.
The present invention also provides a kind of data transmission devices based on cellular narrowband Internet of Things NB-IOT, comprising:
Memory module is used in current transmission period, if detecting the number to be transmitted for being sent to the base station NB-IOT for the first time
According to transmission failure occurs, then the data to be transmitted is stored in memory；
Retransmission module, for being retransmitted to the data to be transmitted in memory according to default re-transmission period.
In an alternative embodiment, the device of the invention further includes while sending module described while sending module
For: if in current transmission period to the data to be transmitted in memory carry out retransmit fail, will described in
Transmission data and the data to be transmitted of next transmission cycle are sent to the base station NB-IOT simultaneously.
In an alternative embodiment, the device of the invention further includes historical data export module, the historical data
Export module is used for: according to preset period of time or preset data amount threshold value, the historical data in the memory being exported, institute
Stating historical data is that the data to be transmitted of failure is transmitted in the historic transmission period.
The model prestige connection TS-1232XU-RP memory of memory of the present invention.The model of central server of the present invention
Dell R730 rack-mount server.
The device of the embodiment of the present invention can be used for executing the number shown in Fig. 2 based on cellular narrowband Internet of Things NB-IOT
According to the technical solution of transmission method embodiment, it is similar that the realization principle and technical effect are similar, and details are not described herein again.
Claims (10)
1. a kind of intellectual water meter data processing equipment based on NB-IOT, characterized by comprising:
It is used for transmission data and receives the intellectual water meter of feedback signal；
For receiving intellectual water meter data and receiving the base station NB-IOT of feedback signal；
For receiving NB-IOT base station data and sending the central server of feedback signal to the base station NB-IOT；
Memory for storing data.
2. the intellectual water meter data processing equipment according to claim 1 based on NB-IOT, it is characterised in that above-mentioned storage
The model prestige connection TS-1232XU-RP memory of device.
3. the intellectual water meter data processing equipment according to claim 1 based on NB-IOT, it is characterised in that above-mentioned center
The model DellR730 rack-mount server of server.
4. based on the processing method of the intellectual water meter data processing equipment described in claim 1 based on NB-IOT, feature exists
In including the following steps:
S100, in a transmission cycle, if detecting for the first time, intellectual water meter is sent to the data to be transmitted hair of the base station NB-IOT
Raw transmission abnormality, then by the memory of data to be transmitted deposit buffer area；
S200 checks the data to be transmitted in memory according to default re-transmission period, retransmits if correct；
S300 fails if retransmit to the data to be transmitted in memory in current transmission period, by institute
The data to be transmitted for stating data to be transmitted and next transmission cycle is sent to the base station NB-IOT simultaneously.
5. processing method according to claim 4, it is characterised in that above-mentioned steps S300 is specifically included, when a transmission week
The data of interim transmission failure still do not succeed by retransmitting, and next transmission cycle has arrived, then transmission fails
Data and next transmission cycle need the data transmitted to send simultaneously；That is, equipment is in addition to hair in each transmission cycle
The data to be transmitted in current transmission period is sent, also while sending the data for transmitting failure in a transmission week.
6. processing method according to claim 5, it is characterised in that it is described in current transmission period, if detecting access
The data to be transmitted is then stored in memory or sends the number to be transmitted to the base station NB-IOT by the failure of the base station NB-IOT
According to if in preset duration, corresponding feedback signal is not detected, by data to be transmitted deposit memory.
7. processing method according to claim 5, it is characterised in that it is described in current transmission period, if detecting access
The failure of the base station NB-IOT obtains the data to be transmitted in the memory then after the success of the base station NB-IOT described in reconnection, and
If to the base station NB-IOT send the data to be transmitted or in preset duration, corresponding feedback signal is not detected,
Then according to the default re-transmission period, the data to be transmitted in the memory is obtained, and send out to the base station NB-IOT
Send the data to be transmitted.
8. processing method according to claim 4, it is characterised in that further include S400, according to preset value, by the storage
Historical data export in device, the historical data are that the data to be transmitted of failure is transmitted in the historic transmission period.
9. processing method according to claim 8, it is characterised in that above-mentioned steps S400 is specifically included, according to preset time
Period exports the historical data in memory.
10. processing method according to claim 8, it is characterised in that above-mentioned steps S400 is specifically included, according to present count
The historical data in memory is exported according to amount threshold value.
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| CN201910756963.7A CN110336648A (en) | 2019-08-15 | 2019-08-15 | A kind of Data Handling Equipment And Method based on NB-IOT |
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| CN201910756963.7A CN110336648A (en) | 2019-08-15 | 2019-08-15 | A kind of Data Handling Equipment And Method based on NB-IOT |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110996306A (en) * | 2019-11-12 | 2020-04-10 | 天津康汇医疗科技股份有限公司 | Multichannel signal acquisition communication protocol based on ZigBee |
| CN111210607A (en) * | 2020-03-05 | 2020-05-29 | 嘉捷鑫源(北京)科技有限公司 | Wireless infrared ammeter data acquisition system |
| CN111278033A (en) * | 2020-01-21 | 2020-06-12 | 北京工业大学 | Method for intelligent scanning and dynamic optimal configuration of transmission rate of LoRa communication network |
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| CN110996306A (en) * | 2019-11-12 | 2020-04-10 | 天津康汇医疗科技股份有限公司 | Multichannel signal acquisition communication protocol based on ZigBee |
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